<template>
  <div class="demo">
    <div class="demo-title">照片墙</div>
    <div class="demo-content">
      <Upload
        v-model:file-list="fileList"
        action="https://www.mocky.io/v2/5cc8019d300000980a055e76"
        list-type="picture-card"
        @preview="handlePreview"
      >
        <div v-if="fileList.length < 8">
          <PlusOutlined />
          <div style="margin-top: 8px">Upload</div>
        </div>
      </Upload>
      <Modal :visible="previewVisible" :title="previewTitle" :footer="null" @cancel="handleCancel">
        <img alt="example" style="width: 100%" :src="previewImage" />
      </Modal>
    </div>
  </div>
</template>

<script lang="ts" setup>
  import { ref } from 'vue';
  import { PlusOutlined } from '@ant-design/icons-vue';
  import Modal from '@sscd/modal';
  import Upload from '@sscd/upload';
  import type { UploadProps } from '@sscd/upload';
  function getBase64(file: File) {
    return new Promise((resolve, reject) => {
      const reader = new FileReader();
      reader.readAsDataURL(file);
      reader.onload = () => resolve(reader.result);
      reader.onerror = (error) => reject(error);
    });
  }
  const previewVisible = ref(false);
  const previewImage = ref('');
  const previewTitle = ref('');
  const fileList = ref<UploadProps['fileList']>([
    {
      uid: '-1',
      name: 'image.png',
      status: 'done',
      url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
    },
    {
      uid: '-2',
      name: 'image.png',
      status: 'done',
      url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
    },
    {
      uid: '-3',
      name: 'image.png',
      status: 'done',
      url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
    },
    {
      uid: '-4',
      name: 'image.png',
      status: 'done',
      url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
    },
    {
      uid: '-xxx',
      percent: 50,
      name: 'image.png',
      status: 'uploading',
      url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
    },
    {
      uid: '-5',
      name: 'image.png',
      status: 'error',
    },
  ]);
  const handleCancel = () => {
    previewVisible.value = false;
    previewTitle.value = '';
  };
  const handlePreview = async (file: UploadProps['fileList'][number]) => {
    if (!file.url && !file.preview) {
      file.preview = (await getBase64(file.originFileObj)) as string;
    }
    previewImage.value = file.url || file.preview;
    previewVisible.value = true;
    previewTitle.value = file.name || file.url.substring(file.url.lastIndexOf('/') + 1);
  };
</script>

<style lang="less" scopde>
  /* you can make up upload button and sample style by using stylesheets */
  .ant-upload-select-picture-card i {
    font-size: 32px;
    color: #999;
  }
  .ant-upload-select-picture-card .ant-upload-text {
    margin-top: 8px;
    color: #666;
  }
</style>
